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leonid [27]
3 years ago
15

Calculate the wavelength of a body of mass 96.0 mg and moving with a velocity of 30.0 m/s. The value of Planck’s constant is 6.6

26 × 10–34 J s.
Chemistry
1 answer:
Katen [24]3 years ago
6 0

Answer:

vcvvvvvvvvvvvvvv

Explanation:

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Balance the nuclear reaction equation for the beta minus decay of nickel-63 by completing the missing numbers.
Marta_Voda [28]

Answer: 63 & 29

Explanation:

7 0
3 years ago
Consider the following reaction at 298K.
lakkis [162]

The true statements are;

  • K < 0
  • Eocel  < 0

<h3>What is a redox reaction?</h3>

We define a redox reaction as one in which a specie is oxidized and another is reduced.

Now;

Eo cell = cell potential = -0.13 V - (+0.34 V) = -0.47 V

n =number of moles of electrons = 2 mole of electrons

K = equilibrium constant

ΔG = change in free energy

Eo cell = 0.0592/n log K

-0.47 =  0.0592/2 log K

log K =  -0.47  * 2/0.0592

K = 1.3 * 10^-16

ΔG = -nFEo cell

ΔG = -(2 * 96500 * -0.47)

ΔG = 90.7kJ

Learn more about Ecell:brainly.com/question/10203847

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8 0
2 years ago
You need to prepare 150 mL of 0.1 M solution of silver chloride. How much silver chloride is required?
Rudiy27

Answer:

amount of silver chloride required is 0.015 moles or 2.1504 g

Explanation:

0.1M AgCL means 0.1mol/dm³ or 0.1mol/L

1L = 1000mL

if 0.1mol of AgCl is contained in 1000mL of solution

then x will be contained in 150mL of solution

cross multiply to find x

x = (0.1*150)/1000

x= 0.015 moles

moles of silver chloride present in 150 mL of solution is 0.15 moles

To convert this to grams, simply multiply this value by the molar mass of silver chloride

molar mass of silver chloride AgCl =107.86 + 35.5

                                                     =143.36 g/mol

mass of AgCl = moles *molar mass

                       =0.015*143.36

                        =2.1504g

                        =

4 0
3 years ago
A species of rabbit lives in a grassland ecosystem. Rabbits of this species have brown fur that allows them to blend in with the
Vikentia [17]

Answer: c

Explanation:

The fur of the rabbit species changes over time from brown to white which helps them to blend with the environment.

5 0
3 years ago
Why is magneisum a metal​
Fofino [41]

Answer:

Magnesium is known for a long time as the lighter structural metal in the industry, due to it's low weight and to it's capability of forming mechanically resistant alloys.

3 0
3 years ago
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